The act of Decleration is to slow down. There are some lanes on the roads called deceleration lanes, these are the slip roads you take when coming off a motorway.
To separate the two opposite lanes of traffic from colliding at high speed.
They are white. The reflective studs are there for extra safety or when lighting is not available. The studs on the left of the inside lane are reflective green for exiting the motorway at the proper exits on the left-hand side. The red reflective studs are there to warn against exiting at that point, this is because that point is in fact a lane that is joining the motorway.
Blue reflective studs on the motorway indicate the presence of a motorway service area or a rest area nearby. They help drivers identify locations where they can stop for fuel, food, or rest. In some regions, blue studs may also mark the edges of lanes designated for emergency vehicles.
A Motorway is the nearest equivalent. A Motorway has to have six lanes (usually), a speed limit of 70mph, an empty lane on either side for cars that have to stop (called the "Hard Shoulder") and no flat junctions except at the start and finish. A "Dual Carriageway" is a road with four lanes and a speed limit of 60mph, usually with some flat junctions and no hard shoulder.
It all depends on the type of road (Tarmac or Concrete), the size of road (how many lanes), the type of road (Country Lane, A road, motorway etc) and the location (getting materials to the site).
The fast lane on a motorway is designed for vehicles that are traveling at higher speeds, typically for overtaking slower-moving traffic. It helps maintain the flow of traffic by allowing faster vehicles to pass without disrupting those in the slower lanes. However, it's important for drivers to use the fast lane responsibly and return to the slower lanes after overtaking to ensure safety and efficiency on the road.
In many parts of Ireland there are bus lanes, particularly in the cities. Dublin has very many bus lanes.
A road with a lot of traffic on such as a motorway and that has four lanes has two lanes closed and thus the traffic piles up as there are four lanes of traffic trying to fit through two lanes. Like pouring water out of a bottle. When you tip it upside down the water sloshes over to the neck of the bottle but piles up and takes time to drain from the bottle rather than a bucket where the water is drained instantaneously.
A road with a lot of traffic on such as a motorway and that has four lanes has two lanes closed and thus the traffic piles up as there are four lanes of traffic trying to fit through two lanes. Like pouring water out of a bottle. When you tip it upside down the water sloshes over to the neck of the bottle but piles up and takes time to drain from the bottle rather than a bucket where the water is drained instantaneously.
8 lanes.
8 lanes.